Lift-control device for window coverings



FIG. 1 is a front elevation view of a lift-control device for window coverings;

FIG. 2 is an isometric view of the lift-control device for window coverings of FIG. 1, looking at the top, front, and right sides;

FIG. 3 is a top view of the lift-control device for window coverings of FIG. 1;

FIG. 4 is a right side view of the lift-control device for window coverings of FIG. 1;

FIG. 5 is a back view of the lift-control device for window coverings of FIG. 1; and,

FIG. 6 is a further isometric view of the lift-control device for window coverings, looking at the top, front, and right sides and showing an alternative, open position of a design component at the back side of the lift-control device for window coverings.

The drawings show a right side view of the lift-control device for window coverings but do not show a left side view as this is a mirror image of the right side view. The drawings do not show a bottom view of the lift-control device for window coverings as the bottom is flat and devoid of surface ornamentation. Those portions of the lift-control device for window coverings shown in broken lines in the drawings form no part of the claimed design. 

CLAIM The ornamental design for a lift-control device for window coverings, as shown and described. 